Reierson played junior hockey with the Prince Albert Raiders of the Saskatchewan Junior Hockey League, helping to lead the Raiders to back to back SJHL titles, and Centennial Cup championships as Canadian Junior A champions in 1981 and 1982. He then played four seasons of college hockey with the Michigan Tech Huskies before turning pro in 1987. Reierson played two seasons in the Flames system before heading to Europe to finish his career. Reierson played for several teams in France, Finland and Germany before retiring in 1999 after helping French club HC Amiens to the Ligue Magnus championship.